19 October 2004 Single-qubit optical quantum fingerprinting
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We show that single qubit quantum fingerprinting without shared randomness is feasible with linear optics and is demonstrably superior to its classical counterpart. Furthermore a shared source of entanglement, provided for example by a parametric down converter, permits 100% reliable quantum fingerprinting, which outperforms classical fingerprinting even with arbitrary amounts of shared randomness.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Rolf Tjalle Horn, Karl-Peter Marzlin, Barry C. Sanders, "Single-qubit optical quantum fingerprinting", Proc. SPIE 5551, Quantum Communications and Quantum Imaging II, (19 October 2004); doi: 10.1117/12.562449; https://doi.org/10.1117/12.562449


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